Home / 22,056.84-30,439.80-12,625.20

Finding the Fourth Proportional to 22,056.84, 30,439.80 and 12,625.20

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Solution

The fourth proportional to 22,056.84, 30,439.80 and 12,625.20 is: 17,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.84 : 30,439.80 = 12,625.20 : x
  2. Step 2: Convert to fraction form
    22,056.84/30,439.80 = 12,625.20/x
  3. Step 3: Cross multiply
    22,056.84x = 30,439.80 × 12,625.20
  4. Step 4: Simplify right side
    22,056.84x = 384,308,562.96
  5. Step 5: Solve for x
    x = 384,308,562.96/22,056.84
  6. Step 6: Final answer
    x = 17,423.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.